4064443840 has 28 divisors (see below), whose sum is σ = 9678457656. Its totient is φ = 1625777408.

The previous prime is 4064443813. The next prime is 4064443891. The reversal of 4064443840 is 483444604.

It is a self number, because there is not a number n which added to its sum of digits gives 4064443840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6350374 + ... + 6351013.

It is an arithmetic number, because the mean of its divisors is an integer number (345659202).

Almost surely, 2^4064443840 is an apocalyptic number.

4064443840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4064443840 is an abundant number, since it is smaller than the sum of its proper divisors (5614013816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4064443840 is a wasteful number, since it uses less digits than its factorization.

4064443840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12701404 (or 12701394 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 37.

The square root of 4064443840 is about 63752.9908318033. The cubic root of 4064443840 is about 1595.8805278207.

The spelling of 4064443840 in words is "four billion, sixty-four million, four hundred forty-three thousand, eight hundred forty".